Scala support in Gradle
{Worksheet doesn't consider package} #SCL-6759 fixed
Module builders fixed for 13.1
part of SCL-6759
(Scala worksheet evaluation order seems wrong) #SCL-6752 fixed
(Scala work sheet throws error with type bounds) #SCL-6766 fixed
compiled MacroPrinters
compiled MacroPrinters (2)
Fix for parameterized type elements to find implicit parameters #SCL-6783 Fixed
Fixed lub for compound type containing existential #SCL-6667 Fixed
(Match input/output worksheet lines) #SCL-6683 fixed
Gradle: rely on external Scala resolver extension declaration
Gradle plugin is added to the community plugins library
Merge branch 'topic/gradle' into 13.1

Conflicts:
	META-INF/plugin.xml
ReleaseException on shutdown because of worksheet viewers fixed
Merge remote-tracking branch 'origin/13.1' into 13.1

Conflicts:
	SBT/src/main/scala/org/jetbrains/sbt/project/SbtProjectResolver.scala
Fixed exponent in parser #SCL-6784 Fixed
SBT: don't exclude target directory (because of managed sources)
SBT module type rightfully restored
CaretModelStub updated